English verb conjugation
OUGHT TO BACKFIT

Irregular verb: backfit - backfit, backfitted - backfit, backfitted

Affirmation

Simple form	V-ing form
I ought to backfit you ought to backfit he ought to backfit we ought to backfit you ought to backfit they ought to backfit	I ought to be backfiting you ought to be backfiting he ought to be backfiting we ought to be backfiting you ought to be backfiting they ought to be backfiting
Perfect	V-ing perfect
I ought to have backfit, backfitted you ought to have backfit, backfitted he ought to have backfit, backfitted we ought to have backfit, backfitted you ought to have backfit, backfitted they ought to have backfit, backfitted	I ought to have been backfiting you ought to have been backfiting he ought to have been backfiting we ought to have been backfiting you ought to have been backfiting they ought to have been backfiting

Negation

Simple form	V-ing form
I ought not to backfit you ought not to backfit he ought not to backfit we ought not to backfit you ought not to backfit they ought not to backfit	I ought not to backfiting you ought not to backfiting he ought not to backfiting we ought not to backfiting you ought not to backfiting they ought not to backfiting
Perfect	V-ing perfect
I ought not to have backfit, backfitted you ought not to have backfit, backfitted he ought not to have backfit, backfitted we ought not to have backfit, backfitted you ought not to have backfit, backfitted they ought not to have backfit, backfitted	I ought not to have been backfiting you ought not to have been backfiting he ought not to have been backfiting we ought not to have been backfiting you ought not to have been backfiting they ought not to have been backfiting

Interrogative form

Simple form	V-ing form
ought to I backfit? ought to you backfit? ought to he backfit? ought to we backfit? ought to you backfit? ought to they backfit?	ought to I be backfiting? ought to you be backfiting? ought to he be backfiting? ought to we be backfiting? ought to you be backfiting? ought to they be backfiting?
Perfect	V-ing perfect
ought to I have backfit, backfitted? ought to you have backfit, backfitted? ought to he have backfit, backfitted? ought to we have backfit, backfitted? ought to you have backfit, backfitted? ought to they have backfit, backfitted?	ought to I have been backfiting? ought to you have been backfiting? ought to he have been backfiting? ought to we have been backfiting? ought to you have been backfiting? ought to they have been backfiting?

Interro-negative form

Simple form	V-ing form
ought I not to backfit? ought you not to backfit? ought he not to backfit? ought we not to backfit? ought you not to backfit? ought they not to backfit?	ought I not to be backfiting? ought you not to be backfiting? ought he not to be backfiting? ought we not to be backfiting? ought you not to be backfiting? ought they not to be backfiting?
Perfect	V-ing perfect
ought I not to have backfit, backfitted? ought you not to have backfit, backfitted? ought he not to have backfit, backfitted? ought we not to have backfit, backfitted? ought you not to have backfit, backfitted? ought they not to have backfit, backfitted?	ought I not to have been backfiting? ought you not to have been backfiting? ought he not to have been backfiting? ought we not to have been backfiting? ought you not to have been backfiting? ought they not to have been backfiting?